CN2761920Y - Timing drain switch - Google Patents

Abstract

The utility model discloses a timing drainage switch, which comprises a body, a channel is formed between an inlet joint and an outlet joint at two ends of the body, the bottom surface of the body is locked and connected with a bottom cover, a valve plug bearing seat and a spring seat are arranged in the bottom cover, a top rod is arranged at the upper end of a spring on the spring seat, the top rod passes through a through hole between the valve plug and the body to allow the valve plug to move upwards to plug the channel, the channel of the body is arranged at one side, a pair of turning frame pivot seats and a timing piece fixing seat are arranged at the other side, the turning frame is contacted with the top rod and is provided with a convex part, the timing piece is provided with a shaft sleeve seat positioned on the fixing seat, a rotating disc is pivoted and sleeved on the shaft sleeve seat, the rotating disc is provided with a concave part which can allow the convex part to be embedded to form a closed circuit, a fixing shaft sleeve seat is inserted with a fixing shaft of a timepiece, the, the top cover and the rotary disc are rotated to separate the concave part from the convex part, the ejector rod opens the valve plug to form a passage, and the coil spring drives the rotary disc to recover.

Description

Timing drain switch

technical field

The utility model relates to a control discharge joint between water pipes, in particular to a timing drainage switch device with a set time for drainage.

Background technique

Generally, the pipe joints used in gardens or nurseries are screwed and locked at the water outlet of the faucet, and the ball valve set inside is moved by the control rod, so that the ball valve can form a conduction or block the passage of the pipe joint. Therefore, when in use, a conduit is locked and connected to the bottom end of the pipe joint, so that the user can use the connection of the pipe joint to drain water from the faucet into the conduit, and extend the length of the conduit to guide the water into the conduit. When the water flow is far away and you want to interrupt the water flow, you only need to pull the control lever to let the ball valve close the passage, and the water flow can be blocked. It replaces the switch action of rotating the faucet multiple times with a simple toggle action, which is very convenient in operation and use. When this kind of pipe joint needs to guide the water flow to the irrigation system with a large water consumption, if the garden or When using a specific sink, and the operator needs to do other things at this time, it is necessary to turn off the water to perform other tasks or continue to wait for the completion of the water supply. This kind of work of fighting between man and nature needs to be replaced by a timing device, so the management personnel can manage many water pipes at the same time, which is also a relaxed and happy process, and it can save water and have the effect of quantitative supply , there will be no waste of water resources due to laziness of users after use. It can be seen that whether it can be timed and switched is also a problem to be solved; therefore, the designer of the utility model designs towards this, in order to solve the relevant timing water supply problem.

Contents of the invention

The purpose of this utility model is to provide a timed drainage switch, in order to provide the function of timing opening and closing of the pipeline, which makes people happy to use. The most special design is to use a mechanical timing piece to cooperate with the valve plug of the main body to produce a mechanical The opening and closing action of the timer is mainly a circuit during the timing process, and it will automatically return to a closed circuit when the timing is over, which is convenient for the use of the irrigation system and can save the manager's time and water consumption.

The technical scheme adopted by the utility model to solve the technical problem is: a timing drainage switch, including a body, an inlet and an outlet at both ends of the body, and a channel formed on one side of the body, its characteristics Yes: the bottom surface of the body is connected with a bottom cover. There is a valve plug seat and a spring seat in the bottom cover. The spring seat is located in the valve plug seat, and a spring is nested and positioned in the spring seat. A set of joints of a top seat at the lower end of the rod, a valve plug is placed on the valve plug seat, so that the valve plug is embedded in the channel, there is a plug seat in the middle of the valve plug, a protrusion on the plug seat, and a through hole in the center of the plug seat , the lower end of the through hole is provided with a lower ring, the body also has a perforation on the channel, and an upper ring is provided at the perforation, the ejector rod passes through the through hole of the valve plug and the perforation of the body, and the spring withstands the ejector rod to make the valve plug The plug seat moves up to block the passage, and on the other side of the body, there are a pair of flip frame pivot seats and a fixed seat. The pair of flip frame pivot seats are pivotally connected with the shafts at both ends of the flip frame like a ㄈ, and the middle of the flip frame Step above the perforation, and make the bottom surface of the turning frame contact with the ejector rod. There is a convex part protruding upwards in the middle of the turning frame and a pair of shrapnels opposite to each other. The fixed seat is positioned with a timing piece. The timing piece includes a shaft sleeve seat, a turntable and a timepiece. The shaft sleeve seat is inserted and positioned in the fixed seat. The convex part is embedded, and the closed circuit is still maintained. The center of the sleeve seat is inserted into a fixed shaft of the fixed timepiece. The middle of the fixed shaft is connected to the inner end of a coil spring. The outer end of the coil spring is fixed on a frame of the timepiece. There is a damping gear set, and the frame of the timepiece is clamped on the turntable, and a top cover is clipped around the turntable. When the top cover is rotated, the concave part of the turntable is separated from the convex part of the turning frame, and the bottom of the turntable is pressed down to make the turning frame rotate. Push rod just moves downwards, opens valve plug and forms passage, counts at the same time till coil spring drives turntable recovery.

In the timing drainage switch, the top surface of the top cover is provided with scale marks.

In the timing drainage switch, a sealing ring is sandwiched between the top cover and the turntable.

In the timing drainage switch, the channel of the main body is to form a pair of rings, the outer ring is provided with a water inlet, the inner ring is provided with a water outlet, the height and outer diameter of the inner ring are shorter than the outer ring, and the valve The outer diameter of the plug is larger than that of the outer ring, and both the valve plugs are against the end faces of the inner and outer rings, and the valve plug can leave the end face of the inner ring to form a passage.

In the timing drainage switch, the bottom cover and the body are locked with screws.

In the described timing drainage switch, the fixed seat of the body is an arm extending downwards, the arm end has a protruding hook, and the outer surface of the sleeve seat also has a protruding buckle, so that the protruding buckle and the protruding hook are hooked together.

In the timing drainage switch, the damping gear set is driven by a main gear to rotate concentrically by the coil spring, the main gear is connected with a first small gear, the first small gear is coaxial with a first large gear, and the first The large gear is connected with a second small gear, the second small gear is coaxial with the second large gear, and the teeth on the second large gear are at large intervals, each tooth interval allows a needle bar to be embedded, and the needle bar is positioned at One end of a double-headed swing arm is pivotally fixed in the middle of the swing arm, and the other end of the swing arm forms a Y-shaped end. Both ends of the Y-shape have semi-circular slots, and each semi-circular slot allows a swing needle to fit into it. Connected to a balance wheel, the balance wheel is coaxial with a vortex spring, the outer end of the vortex spring is fixed on the frame, the vortex spring makes the balance wheel and the pendulum needle reciprocate, which makes the two ends of the swing arm reciprocate, and the needle rod The rotation of the second large gear is blocked, and the elastic force of the coil spring is slowly released, and the gear ratio of the gear set is related to time.

The beneficial effect of the utility model is that the water inlet end can be connected with the male joint or the faucet by quick disassembly and assembly, but it is not limited to the faucet end, it can also be installed at the end of the waterway, and the waterway can also have a timing function The valve can be switched on and off, and the other end can be connected with a water pipe or a two-way pipe joint for water diversion, which is convenient for use configuration and use requirements. Its overall structure is simple and it is more convenient to use.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a perspective view of the utility model.

Fig. 2 is a three-dimensional exploded view of the utility model.

Fig. 3 is a three-dimensional exploded view of the timing piece and the top cover of the utility model.

Fig. 4 is a three-dimensional exploded view of the timing piece of the present invention (particularly, the timepiece is partially cut away and the damping gear set is approximately horizontally expanded).

Fig. 5 is a cross-sectional view of the utility model when the circuit is closed.

Fig. 6 is a cross-sectional view of the utility model when the circuit is open.

Fig. 7 is a perspective view of the combination and movement of the timing piece and the turning frame of the present invention.

Fig. 8 is an implementation perspective view of the utility model.

In the picture:

1. Body 11. Entrance 12. Exit 10. Limiting post

13. Channel 131. Outer ring 132. Inner ring 133. Water inlet 134. Water outlet

14. Perforation 15. Upper ring 16. Pivot seat 17. Fixed seat 18. Guide rail

19. Arm 191. Protruding hook 2. Bottom cover 21. Seat 22. Spring seat

23. Screw 24. Spring 25. Ejector 26. Top seat 27. Fitting part

30. Valve plug 31. Plug seat 32. Protrusion 33. Through hole 34. Lower ring

40. Flip frame 41. Shaft part 42. Middle section 43. Bottom surface 44. Guide part

45. Convex part 46. Shrapnel 5. Timing piece 50. Sleeve seat 51. Snap button

52. Shaft seat, 521. Shaft hole 522. Protruding part 53. Round rod part 531. Ring groove

532. Top edge 54. Insert ring 55. Turntable 551. Bearing edge

56. Central depression area 561. Positioning hole 562. Limiting protrusion

57. Recess 58. Clamp 59. Tenon 60. Timepiece 61. Fixed shaft

611. Defect area 612. Thin end 62. Frame top shelf 621. Lower flap

63. Coil spring 631. Hook end 64. Frame chassis plate 641. Bending piece

642. Positioning hole 66. Seal ring 67. Top cover 671. Inner ring

672. Tenon and groove 673. Scale 674. Protruding strip 675. Recessed area

68. Bearing 7. Damping gear set 71. Main gear 72. First pinion

73. The first large gear 70. The first shaft 74. The second small gear

75. The second largest gear 76. The second shaft 77. Needle bar

78. Swing arm, 79. One end 80. Shaft 81. The other end 82. Semicircle slot

83. Swing needle 84. Balance wheel 85. Spiral spring 86. Inner end 87. Outer end

88. Pivot 90. Third Shaft 91. Third Pinion 92. Third Large Gear

93. Fourth shaft 94. Fourth small gear 95. Fourth large gear 100. Water tap

101. Two-way pipe joint for water separation

Detailed ways

As shown in Figures 1 to 7, it is a timed drainage switch of the present invention, which includes a body 1, an inlet 11 and an outlet 12 at both ends of the body 1, and an inner side of the body 1 is formed. The channel 13 is characterized in that: the bottom surface of the body 1 is connected with a bottom cover 2, the bottom cover 2 has a valve plug seat 21 and a spring seat 22, and the bottom cover 2 and the body 1 are connected by a screw 23 at each of the four corners. lock.

The spring seat 22 is located in the valve plug seat 21, and a spring 24 is nested and positioned in the spring seat 22. The upper end of the spring 24 is sleeved with a cover 27 of a set of top seat 26 at the lower end of the push rod 25. The valve plug seat A valve plug 30 is placed on the seat 21, so that the valve plug 30 is embedded in the channel 13. There is a plug seat 31 in the middle of the valve plug 30. The plug seat 31 has a protrusion 32. There is a through hole 33 in the center of the plug seat 31. The lower end of the through hole 33 is provided with There is a lower ring 34, the lower ring 34 is to bind the gap between the through hole 33 and the push rod 25, the body 1 also has a perforation 14 on the channel 13, and an upper ring 15 is arranged at the perforation 14, and the upper ring 15 is also a Bind the gap between the through hole 14 and the ejector rod 25, the ejector rod 25 passes through the through hole 33 of the valve plug 30 and the through hole 14 of the body 1, the spring 24 is to withstand the ejector rod 25 at the bottom, so that the plug seat 31 of the valve plug 30 is in the Under normal conditions, it is pressed upwards by the elastic force of the spring 24 and moves upwards, so as to completely block the closed circuit of the passage 13 (as shown in FIG. 5 ).

The channel 13 of the body 1 is to form a pair of rings 131, 132, both of which are extended downwards. The height and outer diameter of the ring 132 are shorter than the outer ring 131, the outer diameter of the valve plug 30 is larger than that of the outer ring 131, and the valve plug 30 is all against the end faces of the inner and outer rings 131, 132, and the valve plug 30 can leave The end surface of the inner ring 132 forms a passage (as shown in FIG. 6 ).

The other side of the body 1 is provided with a pair of flip frame pivots 16 and a fixed seat 17. The pair of flip frame pivots 16 are pivotally connected with shafts 41 at both ends of the flip frame 40 in the shape of a ㄈ. The section 42 spans above the perforation 14, and the bottom surface 43 of the middle section 42 of the flipping frame 40 is in contact with the top of the push rod 25. A guiding portion 44 protruding forward and a convex portion 45 protruding upward are provided in the middle of the flipping frame 40. A pair of elastic pieces 46 opposite to the two ends, the elastic pieces 46 rest on the top of the frame-shaped fixing seat 17 , and the guide portion 44 is located at a pair of guide rails 18 inside the body 1 .

A timing piece 5 is positioned in the fixed seat 17, and the timing piece 5 includes a bushing seat 50, a turntable 55 and a timepiece 60, and the bushing seat 50 is inserted into and positioned at the fixing seat 17 of the body 1, such as a square groove-shaped fixing seat 17 it is to have an arm 19 that extends downwards, and there is a protruding hook 191 at the end of the arm 19, and the outer surface of the shaft seat 52 of the lower half of the axle sleeve seat 50 as a square bar is provided with a protruding button 51, so that the protruding button 51 and the protruding hook 191 form a Hooked with each other, so that the sleeve seat 50 is fixed on the body 1 .

The upper end surface of the shaft sleeve seat 50 is pivotally connected with a turntable 55, which has a round bar portion 53 on the upper end of the shaft sleeve seat 50. The round bar portion 53 has a ring groove 531, and the ring groove 531 is covered with an O-shaped embedded ring 54. And make round rod part 53 outer pivot be covered with the middle of rotating disk 55 to have a center sunken area 56, and center sunken area 56 protrudes to the below, there is a positioning hole 561 in the center sunken area 56, and with the top edge 532 pivot of round bar part 53 Connect and locate at the positioning hole 561, a concave portion 57 is provided on the peripheral surface of the central concave area 56 of the rotating disk 55, the concave portion 57 can allow the convex portion 45 of the turning frame 40 to embed, and still maintain a closed circuit state. The corresponding holes 641 of the frame base plate 64 of the timepiece 60 are engaged with each other to fix the timepiece 60, and the turntable 55 drives the timepiece 60 to rotate for setting, and the turntable 55 is also driven by the timepiece 60 in reverse. Timing rotation. The central recessed area 56 of the turntable 55 has a position-limiting protrusion 562 , and the position-limiting protrusion 562 engages with a position-limiting post 10 provided on the body 1 to form a lower limit for the rotation of the turntable 55 .

The shaft seat 52 of the shaft sleeve seat 50 has a shaft hole 521 at the center for inserting a fixed shaft 61 of a timepiece 60, and the shaft hole 521 has a protruding part 522 to clamp the defect of the cylindrical fixed shaft 61 Area 611, a coil spring 63 is connected on the fixed shaft 61, the inner end of the coil spring 63 is connected with a damping gear set 7, and the hook end 631 of the outer end is fixedly hooked on a bent piece 641 of a frame chassis plate 64, and The spring 63 cannot drive the fixed shaft 61 to rotate, because the fixed shaft 61 is constrained by the fixed seat 17 and the sleeve seat 50, and the elastic force formed by the torsional force received by the coil spring 63 indirectly drives the rotation of the rotating disk 55, and the rotation of the rotating disk 55 also Drive the synchronous rotation of the timepiece 60 frame 62, 64 (between which are connected and fixed by three-axis columns), this is the effect formed by the hook end 631 of the coil spring 63, and the inner end of the coil spring 63 is positioned on the fixed shaft 61, its Also produce a pulling force in the opposite direction to make the fixed shaft 61 twist, so that a main gear 71 on the fixed shaft 61 continuously produces a slight rotation until the elastic force of the coil spring 63 disappears, so the fixed shaft 61 is borrowed by a bearing 68. The thin end portion 612 is pivoted through the frame bottom frame plate 64 and the frame top frame plate 62, and the thin end portion 612 is connected with a damping gear set 7, and the thin end portion 612 is pivotally connected between the frames, and the damping gear set The axes of 7 (described below) are also positioned between the top frame plate 62 and the bottom frame plate 64 of the frame.

The damping gear set 7 is that a main gear 71 is driven by the coil spring 63 to rotate concentrically with the same thin end 612. The main gear 71 is connected with a first small gear 72, and the first small gear 72 is concentric with a first large gear 73. The first shaft 70, the first large gear 73 is connected with a second small gear 74 (in Fig. 4, the first large gear 73 is not directly connected with the second small gear 74, which is a requirement for calculating the gear ratio, here Without mentioning the description of the gear ratio, it is only proposed that the first large gear 73 first connects with the third small gear 91, the third small gear 91 and the third large gear 92 are concentric with the third shaft 90, the third large gear 92 and the fourth Pinion 94 joins, and the 4th pinion 94 and the 4th big gear 95 are concentric on the 4th axle 93, and the 4th big gear 95 joins with the 2nd pinion 74, and this is the actual explanation of real product, can increase according to need Minus setting), the second small gear 74 and the second large gear 75 are concentric to the second shaft 76, the teeth on the second large gear 75 are at a large interval, each tooth interval allows a needle bar 77 to embed, and the needle bar 77 is positioned One end 79 of a double-headed swing arm 78 is pivotally fixed to the frame with a shaft 80 in the middle of the swing arm 78. The other end 81 of the swing arm 78 forms a Y-shaped end. The missing slot 82 allows a pendulum needle 83 to be inserted, and the pendulum needle 83 is connected to a balance wheel 84. The balance wheel 84 and a vortex spring 85 are concentric to a pivot 88, and the outer end 87 of the vortex spring 85 is fixed to the top frame plate 62 of the frame. At the lower flap 621 of the vortex spring 85, the inner end 86 of the vortex spring 85 allows the pivot 88 to allow the balance wheel 84 and the pendulum needle 83 to reciprocate, which makes the two ends 79, 81 of the pendulum arm 78 reciprocate, and the needle bar 77 is used for the second largest The rotation of the gear 75 is blocked, and the elastic force of the coil spring 63 is slowly released, and the gear ratio of the gear set 7 is related to time.

And the frame 64 of the timepiece 60 is set on the top of the turntable 55, and the number of tenon 59 is set on the periphery of the turntable 55, and the tenon and groove 672 correspondingly provided on the inner surface of a top cover 67 inner ring 671 are snapped together. The top surface is marked with a scale 673 (there are markings for zero scale, 15, 30, 45, 60, 75, 90, 105, 120 minutes and the direction of rotation, because it can only rotate in one direction), and there are 55 spaces between the top cover 67 and the turntable Clamp a sealing ring 66, the sealing ring 66 is to be positioned and sleeved on a supporting edge 551 on the periphery of the rotating disk 55 earlier, and then connected with the top cover 67, which is restricted by the bottom periphery of the inner ring 671 of the top cover 67, and more Pressed by the protrusions 674 of the inner ring 671 , several recessed areas 675 are provided on the outer periphery of the top cover 67 . (By Fig. 5 to Fig. 6) rotating top cover 67, rotating disk 55 allow concave part 57 to separate with convex part 45, the bottom surface of rotating disk 55 just drives the convex part of turning frame 40 to move down, and turning frame 40 makes push rod 25 to move downward again. Moving down, the spring 24 shrinks and no longer presses the valve plug 30, so that the plug seat 31 of the valve plug 30 leaves the end face of the inner ring 132 of the channel 13, that is, the valve plug 30 is opened to allow the water inlet 133 to enter and the water outlet 134 to discharge water. A passage is formed in the channel 13, and the overall operation is completed until the coil spring 63 drives the turntable 55 to complete the timing recovery. The finger turntable 55 turns in the opposite direction until the concave part 57 aligns with the convex part 45, and the spring 24 moves the ejector rod 25 and the convex part of the turning frame 40 upward. Return to the closed circuit state of the original position. 7 shows that the turntable 55 and the timepiece 60 have moved slightly, and the dotted line is the state after the movement, wherein the sleeve seat 50 is stationary, and the turning frame 40 rotates around the shaft portion 41 to allow the push rod 25 to move forward and backward. status.

Because the torsion of the coil spring 63 will not exceed one turn, this is because it is only set for a few hours, and it is also limited by the switch press and release action of the turntable 55, so the coil spring 63 is stressed and twisted more densely to generate elastic force. On the one hand, this elastic force (the hook end 631 drives the frame 64, the timepiece 60 and the turntable 55 by means of the bent piece 641) reversely drives the turntable 55 to rotate back, on the other hand, the action of the fixed shaft 61 through the damping gear set 7 and the resistance The speed and time of hysteresis recovery are controlled, that is, the setting function of timing is generated, and then the linkage of the ejector rod 25 and the valve plug 30 is changed from open circuit to closed circuit by the turntable 55 in conjunction with the flip frame 40, and a mechanical type is easy to automatically close the waterway all the way. role.

In the implementation of Fig. 8, the inlet 11 of the present utility model is installed under a faucet 100, which is a locked structure, and a water-dividing two-way pipe joint 101 is connected to the outlet 12, which is only a kind of water faucet. The utility model can also be connected to the middle or end of the pipeline, not the beginning of the pipeline of the faucet, and the inlet 11 and outlet 12 can have various types such as locking, buckling, and scarfing.

Therefore, the utility model can be used in many ways, and can provide good usability, and is an article with a completely different structure from the prior art.

Claims (7)

1, a kind of timing drainage derailing switch, include a body, be respectively an inlet and an outlet in the two ends of body, and a side forms a passage in body, it is characterized in that: the bottom surface of body is equipped with a bottom, an one valve plug bearing and a spring seat are arranged in the bottom, spring seat is positioned within the valve plug bearing, and in the nested location of spring seat one spring, the spring upper end is covered with a fit portion of a cover footstock of a push rod lower end, bear a valve plug on the valve plug bearing, valve plug is embedded in the passage, one obturating plug is arranged in the middle of the valve plug, obturating plug has a teat, there is a penetration hole at the obturating plug center, the penetration hole lower end is provided with a lower toroidal ring, body also has a perforation on passage, perforation place is provided with ring on, push rod passes the perforation of the penetration hole and the body of valve plug, spring withstands push rod, make to move on the obturating plug of valve plug and clog passage, the body opposite side then is provided with an a pair of frame pivot seat and the fixed base of stirring, should be articulated with axial region to stirring frame pivot seat just like the two ends of stirring frame of ㄈ shape, the middle span that stirs frame is to the perforation top, and the bottom surface of stirring frame is contacted with push rod, be provided with the up outstanding relative a pair of shell fragment in opposite directions of a protuberance in the middle of stirring frame with two ends, shell fragment is overlapped in the top, both sides of fixed base, fixed base is positioned with a timing part, the timing part contains a sleeve block and a rotating disk and counts for the moment, sleeve block inserts and is positioned fixed base, sleeve block upper end outer pivot cover one rotating disk, there is a recess rotating disk bottom surface, recess can allow and stir the embedding of frame protuberance, still keep closed circuit state, a stationary axle of solid timing ga(u)ge is inserted at the sleeve block center, the inner that connects a wind spring in the middle of the stationary axle, a framework place of meter when the wind spring outer end is fixed in, in the framework of time meter a damping gear train is arranged, and the framework cover of time meter is stuck on the rotating disk, peripheral clamping one top cover of rotating disk, the turn top cover, the rotating disk recess with stir the frame convex portion from, the frame rotation is stirred to pressing down to allow in the rotating disk bottom surface, push rod just moves down, and the breakdown valve plug forms path, and timing simultaneously to wind spring drives till the rotating disk recovery.

2, timing drainage derailing switch according to claim 1 is characterized in that: the end face of top cover is provided with scale and indicates.

3, timing drainage derailing switch according to claim 1 is characterized in that: accompany a sealing ring between top cover and rotating disk.

4, timing drainage derailing switch according to claim 1, it is characterized in that: the passage of body is for forming a pair of ring, outer ring is provided with a water intake, interior ring is provided with a water outlet, interior ring all is shorter than outer ring for height with external diameter, valve plug be external diameter greater than outer ring, and valve plug all props up the end face of inside and outside ring, the end face of ring was to form path in valve plug can leave.

5, timing drainage derailing switch according to claim 1 is characterized in that: between bottom and body with the screw interlocking.

6, timing drainage derailing switch according to claim 1 is characterized in that: the fixed base of body is for extending an arm downwards, and the arm end has prominent colluding, and the appearance of sleeve block also has a prominent button, making prominent button catch on shape mutually with dashing forward to collude to be.

7, timing drainage derailing switch according to claim 1, it is characterized in that: the damping gear train is driven by wind spring and rotation with one heart with a master gear, master gear and one first small gear join, first small gear is coaxial with a first gear, first gear joins with one second small gear again, second small gear is coaxial with second largest gear, between cog on the second largest gear is for being large-spacing, each space of teeth allows a shank embed, shank is positioned an end of a pair of head swing arm, and fixing with a pivot joint in the middle of the swing arm, the swing arm the other end forms Y shape end, respectively there is the semicircle short slot at the two ends of Y shape, each semicircle short slot allows a balancing point embed, and balancing point is arranged in the escapement, and escapement is coaxial with a whirlpool spring, framework is fixed in spring outer end, whirlpool, back and forth rotate by escapement and balancing point with the whirlpool spring, it makes swing arm two ends reciprocally swinging, and the mat shank produces retardance to the rotation of second largest gear, the elastic force of slow release wind spring, the gear ratio of its gear train and time produce relation.

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